authorized providers

@Link Services, LLC
011 Telecom LLC
1 CALL CONNECT
1 Point Communications, LLC
101Netlink
101VOICE
123.Net, Inc
1GLOBAL Operations (US) Inc.
1stel, Inc.
1stPoint Communications, LLC
1-VoIP Enhanced Services, LLC
1Wire Fiber, LLC
2600Hz Inc.
2Talk, LLC
3 Billionaires Corp
3 Rivers Communications
382 Communications
3rd Globe Telecom LLC
6x6 Termination Corp
702 Communications
7G Network, Inc
800 Response Information Services, LLC
800Link, Inc.
8x8, Inc.
903 Broadband, Inc.
9171-5573 Quebec Inc.
925 Telecom
A+ Wireless
Absolute Voice LLC.
ABVoipTel LLC
Accelerate Networks LLC
ACCENT COMMUNICATION SERVICES, INC
Access One
Access Tandem, Inc
AccessLine Communications Corp.
Accipiter Communications, Inc.
Acclaim Telecom Services
Accoona Global LLC
Ace Innovative Networks, Inc.
Ace Peak Invest Pte Ltd
Ace Telephone Association - DBA AcenTek
ACHH LLC
ACL Telecom LLC
Acme Communications Inc.
ACS Technologies
ActionVox
Active Solutions Group (DBA Call Harbor)
Aculab, Inc.
Adams Telephone Co-Operative
ADK Telecom Support Solutions, Inc
ADNET MEDIA GROUP INC.
Adnet, Inc
ADVANCED ALTERNATIVE INFORMATION SERVICES TECHNOLOGY, LLC
Advanced Digital Consulting, Inc.
Advanced Networks Corp
Advanced Procomm, LLC
Advanced Technology Solutions Inc. dba K&S Computing
Advanced Tel, Inc.
Advanced Telecom Solutions, LLC
Advania Coroporation
Advantage Telephone Communications LLC
Aeneas Communications, LLC
AEON COMMUNICATIONS INCORPORATED
Aertel Limited
Affiliated Technology Solutions, LLC
AGA Voice, Inc.
Ahoi llc
Ahoy Telecom LLC
Air Link Rural Broadband LLC
Aircall.io Inc.
Airespring, Inc.
Airwave Broadband Wireless, Inc.
Ajoxi Limited
Akabis, Inc
Alaska Telephone Company
Albany Mutual Telephone Association
ALD Telecom
Alenco Communications, Inc.
Alhambra-Grantfork Telephone Company
Alianza, Inc.
Aline Phone Systems, LLC
All Tel Networks, LLC
All West Communications
All8Series LLC (RespOrg) 
AllAccess Telecom Inc
ALLBAND COMMUNICATIONS COOPERATIVE
Allegiant
Alliance Communications
Alliance Global Communications LLC
Alliance Phones Inc
Allied Telecom Group
ALLO Communication
Allstream Business US, LLC
Allure Telecom Inc
Alma Telephone Company, Inc.
Alpha Technologies, Inc.
Altaworx
Altice USA
Alvaria
Alyrica Telephone
AM Communication Labs Inc.
Ambit Solutions LLC
AMCS LLC
American Broadband and Telecommunications Co.
American Samoa Telecommunications Authority
AMERIMEX SOLUTIONS
Amery Telcom, Inc
Amherst Telephone Company
AMP Networks LLC d/b/a PressONE
Amplex Electric, Inc. dba Amplex Internet
ANPI BUSINESS, LLC
Antilles Technologies
Anveo Inc.
Aovatalk Communications Limited
Apex Telecom LLC
Applied Messaging, Inc.
Arbeit
Arbuckle Communications LLC
Arctic Slope Telephone Association Coop.
ARit Services LLC 
Ark Telecom Inc
Arkansas Telephone Company, Inc.
Arkwest communications
Armstrong Telecommunications, Inc
AronTel Inc
Arthur Mutual Telephone Company
Arvig
Ascension
ASIA PACIFIC NETWORK CORPORATION
Assurance Telecom dba TransNexus Inc.
AT&T
ATC Communications
Atheral LLC
ATI Networks Inc.
Atkins Telephone Company, Inc.
Atlantech Online Inc.
Atlantic Telephone Membership Corp
AtoZinIT, LLC
ATV Holdings, LLC
AU Telecom
Aureon Communications, L.L.C.
Autodial Telecommunications LLC
Automated Network Solutions LLC
Autus Technology, LLC
Avaya Cloud Inc
Avid Communications, LLC
AVOXI, Inc.
Axxess Networks, LLC
Ayden Consulting LLC
Ayersville Telephone Company
Babcock Enterprises LLC dba Straight Shot Wireless
Baca Valley Telephone Co., Inc.
Ballard Rural Telephone Cooperative Corporation, Inc.
Balsamwest FiberNet LLC
Baltimore-Washington Telephone Company
Bandwidth.com CLEC, LLC
Baraga Telephone Company
Barcks Corp
BareTelecom
Barnesville Municipal Telephone
Barr Tell USA, Inc
Barry Communications Inc
Barry County Telephone Company
Bascom Mutual Telephone Company
Bays-ET Highspeed
BBIT, LLC
BBT
BCN Telecom, Inc.
Beehive Telephone Co., Inc.
bek communications cooperative
BELGACOM INTERNATIONAL CARRIER SERVICES SA
Belles Camp Communications Inc.
Belmont Telecom, Inc.
Belthrough
Ben Lomand Rural Telephone COOP., INC
BendTel
Benkelman Telephone Co. Inc.
Beresford Municipal Telephone Co.
Bespoke Communications, LLC
Bestline Communications LP
BF Communications, Inc.
Bicentel, LLC
Biddeford Internet Corp. d/b/a GWI
Big Apple Numbers LLC
Big Fish Voice, LLC
Big River Telephone
Binary Ventures INC
bizrtc
BizVox Communications, Inc
Blackfoot Communications
Blanca Telephone Company Dba Blanca Networks
Blanchard Telephone Company
Blast Communications, Inc
Blended Technology Solutions, LLC
Block Line Systems, LLC
Bloomingdale Communications
Blue Dragon Network Telecom, LLC
Blue Earth Valley Telephone Company, Inc.
Blue Valley Technologies
Bluebird Wireless Broadband Services L.L.C.
BlueRiver Communications, Inc.
Bluerock Communications, LLC
BlueTech Networks LLC
BluIP, Inc.
Board of Water Light Sinking Fund Commissioners dba Dalton Utilities
Bohannan Huston, Inc.
Borderless Communications Inc
BPS Telephone Company
Brandenburg Telephone
Brantley Telephone Company, Inc.
Brazoria Telephone Company (Btel)
Bresco Solutions LLC DBA Bresco Broadband
Brevard Wireless, Inc. dba Florida High Speed Interent
Brick Technology Group, LLC
Bridge Communications LLC
Bridger Systems, LLC
Bright Path VoIP, Inc.
Brightlink Communications LLC
Brightridge
Brightspeed
Bristol Bay Telephone
Broadband Dynamics LLC 
Broadband Office Solutions
Broadband Voice LLC dba Fuse.Cloud
BroadRiver Communication, Inc
Brookings Munincipal Utilities d/b/a Swiftel Communications
BTBIZ LLC
BTC Broadband
BTC Inc
Buckeye Telesystem, Inc
Buckland Telephone Company/BTC Communications
Bulk Solutions, LLC
Bullitt Communications
Bulloch County Rural Telephone Cooperative, Inc
Burke's Garden Telephone Company, Inc.
Burrus Communications, Inc.
Business Automation Technologies
Business Telecommunications Services, Inc
C&T TELECOMMUNICATION POWER SOLUTIONS 
C2C VoIP, LLC 
CaberLink Technologies LLC
CableOne VoIP LLC dba ValuNet
Cage Cube Technologies, Inc.
Cal.net, Inc.
Calaveras Telephone Company
California Internet, L.P. dba GeoLinks
California Telecom
Call Center Studio Inc.
Call Hub Inc.
Call Logistics INC
Call Tools, Inc.
CallBound
CallCurrent, Inc.
CallFire, Inc.
CallShaper, LLC
CallSigner LLC
Callsy Network LLC
CallWorks Corp
Cal-Ore Telephone
Cameron Telephone Company, LLC dba Fastwyre Broadband
Canby Telephone Association
Cap Rock Telephone Cooperative, Inc.
Capital Voice Services
Carnegie Telephone Company Inc.
Carolina Digital Phone Inc
Carolina West Wireless
CARRIER CONNECT CORPORATION
Carrier Solutions, LLC
Caryco Tech
CAS Communications LLC
Cascabel Networks LLC
Cascade Utilities, Inc. Dba Reliance Connects
Cass Telephone Company
CBIT, Inc.
CBTS Technology Solutions LLC
CC Communications
CCI Network Services, LLC
CCI Voice
CDYNE Services, LLC dba Esendex
Cebod Telecom
Cedar Wireless, Inc.
Celerity Telecommunications, Inc.
Celito Communications, LLC
Cellular South Licenses 
Celtic Communications, LLC
CenterComs LLC
CENTRAL ARKANSAS TELEPHONE COOPERATIVE,INC
Central Georgia Technology, LLC
Central Oklahoma Telephone Co., L.L.C.
Central Scott Telephone
Central Telephone Sales & Service, Inc.
Central Texas Telephone Cooperatve, Inc
Central Utah Telephone
CFBTEL
Champion Cloud Solutions LLC
Champlain Technology Group
Charger Access, LLC
Chariton Valley Communications Corporation
Charlotte Wi-Fi, Inc. dba National Wi-Fi
Charter Communications, Inc.
Cheyenne River Sioux Tribe Telephone Authority
Chickasaw Telephone Company
Christensen Communications Company
CIMA Telecom, Inc
Cincinnati Bell Telephone Company LLC dba altafiber
Cipe Solutions, LLC
Citizens Telephone CO. INC.
Citizens Telephone Company of Kecksbur
Citizens Telephone COOP INC.
Citizens Telephone Cooperative
Citizens Telephone Corporation
City of Albany dba Albany Utility Board
City of Fairlawn dba FairlawnGig
City of Faith Telephone Company
City of Ketchikan DBA Ketchikan Public Utilities
Citynet LLC
Clarity Technologies Group, LLC
Clarity Voice
CLARKSVILLE MUTUAL TELEPHONE COMPANY
CLARO ENTERPRISE SOLUTIONS, LLC
Clay County Rural Telephone Cooperativr, Inc. (d/b/a Endeavor Communications)
Clear Lake Telephone
Clear Rate Communications, Inc
Clearly IP Inc
Cloud Computing Concepts, LLC
Cloud Connect LLC
Cloud Voice Tel
Cloud9 Communications, Inc.
Cloudapt LLC
CloudCall, Inc.
Cloudli Communications Inc.
CloudTalk.io, Inc.
CMPLTE INC
CMS Communication Management Services
CMS Internet
Coastal Redwood Network
Codecom LLC.
Coeo Solutions
Coleman County Telephone Cooperative
Colorado Valley Telephone Cooperative, Inc.
Colton Telephone Company 
Columbus Telephone Co
Comcast IP Phone, LLC
Comcell, Inc
Come 2 LLC
COMEXCEL TECHNOLOGIES CORPORATION 
CommandLink, LLC
commio
CommPeak Limited
Communication and Data Solutions, Inc.
Communications 1 Network, Inc.
Complete Computer Services, LLC
Comporium, Inc.
Compu Net of Myrtle Beach LLC
Compu-Phone Voice and Data, Inc.
Computer Linx
Computer Now
Computer Techniques, LLC
Computer Telephony Innovations Inc. dba Voxtelesys
Computertel Inc
COMSAT, Inc.
Comtalk Telecom LLC
Comtel Managed Solutions
ComTel of Illinois
ComTelus Inc. 
ConnectIQ LLC
ConnectMe, LLC
ConnectTo Communicaitons
Connexum LLC
Consolidated Communications
Consolidated Smart Broadband Systems, LLC
Consolidated Telcom
Contact Center Specialist LLC
Contact Communications
Contactivity, Corp
Content Guru Inc
Converged Networks, LLC.
Convergent Software dba Convergent Communications
ConvergeOne Inc.
ConvergeTel LLC
Convergia INC
ConveyTel
Convoso, Inc.
Cooperative Communications, Inc.
Copper Valley Telephone Coop, Inc
Cordova Telephone Cooperative
CoreDial, LLC
CORETEL VIRGINIA, LLC
Cox Communications Inc.
Cozad Telephone Company
CPX Networks
Craigville Telephone Company
Craw-Kan Tel. Coop.,Inc.
Creacomm Switching Corp
Crexendo Business Solutions
Critical Hub Networks
Crocker Communications, Inc.
Crosstel Tandem, Inc
Crossville Telephone Company
CTC
CTS Telecom
Cumby Telephone Coop
Custer Telephone Cooperative Inc.
CyberAnnex Corp
Cyberdyne Networks, Inc.
Cyberlynk Network, LLC
CyberNet Communications, Inc.
Cytracom, LLC
D&P Communications
Dakota Central Telecommunications Cooperative
Damovo USA, Inc.
Data Day Consulting INC
DATA ONE SYSTEMS, INC.
Data@ccess Communications
Daviess-Martin County Rural Telephone Corporation DBA RTC Communications
DAWZ TELECOM USA INC
DayStarr LLC
Daztel Communications Inc
Dedicated Professionals, LLC
Dekalb Telephone Communications
Delhi Telephone Company
Dell Telephone Cooperative
Delta Communications LLC, dba Clearwave Communications
Descent Technologies, LLC
Dial Edge Telecom LLC
Dial World Communications LLC
Dial09 LLC
DialedIn
Dialink Corporation
Dialpad Inc.
DialSource, Inc. dba Conquer
Dialwave, Inc.
Dialzilla LLC
Dickey Rural Telephone Cooperative
DiDCentral, LLC
Digital Agent
DIGITAL CONNECTIONS INC
Digital Path, Inc
Digital Solutions Inc.
digitalIPvoice, Inc
DigitalSpeed Communications, Inc.
Digitorzo LLC
Digivoice, LLC
Diller Telephone Company
Direct Communications Cedar Valley
Direct Communications Rockland, Inc.
DISH Wireless L.L.C.
DLS Internet Services
DMCI Broadband LLC
Dobson Technologies
Docomo Pacific, Inc 
Dorial Telecom, LLC
Douglas Fastnet
Dovetel Communications, LLC
Doylestown Communications, Inc
Drop Inc
DTS Technology Group
Ducor Telephone Company
Dunkirk and Fredonia Telephone
Duo Broadband
DURKETA
Dyna Ring, LLC
Dynalink Communications, Inc.
E Street Communications, Inc
Eagle Telephone System, INC dba Snake River PCS
EagleZip.com LLC
East Kentucky Network, LLC
Eastern Slope Rural Telephone Association, Inc.
Eastex Tel. Coop. Inc.
Easton Telecom Services LLC
EATEL
Edge Unified Communications Support
Edgeless Unified Communications, LLC
Edify Labs, Inc.
Ednetics Inc
Egyptian Telephone Cooperative Association
Eiktel Inc.
Electric Power Board of Chattanooga dba EPB Telecom
Elkhart Telephone Company Inc
ElliCom, Inc.
Ellijay Telephone Company
Ellington Telephone Company
Emery Telephone dba Emery Telcom
Emily Cooperative Telephone Company
Empire Telephone Corp
Empower Telecom Inc
ENA Services, LLC
Encore Communications Inc.
Encore Technology Group
end2end Communications.com
Envoi Networks, Inc
EON Telecom Inc.
essensys Inc.
EssexTel Inc.
Estech Systems, Inc.
Etelix.com USA, LLC
ETEX Communications, LLC
eTollfree, LLC
Eugene Perkins Group, LLP
Everstream Indianapolis
Evolution Voice, Inc.
Evolve Cellular Inc
EvolveIP LLC
Ewart Technologies, Inc.
Exabar LLC
Exceed Technologies, Inc.
Executive Telephony Solutions, Inc
Exitty Inc
Exordium Networks Inc
Express Dial Internet, Inc.
Express Teleservice Corp
Extended Office Solutions, Inc.
EZ VoIP LLC
EZYTEL SOULTIONS LLC
Faithful Technologies
Falcon Endeavors Inc.
Farmers Independent Telephone Company
Farmers Mutual Telephone
Farmers Mutual Telephone Company
Farmers Mutual Telephone Company
Farmers Mutual Telephone Company
Farmers Mutual Telephone Company
FARMERS TELECOMMUNICATIONS COOPERATIVE, INC.,
Farmers Telephone
Farmers Telephone Cooperative
FastCast Networks, LLC
Fastmetrics
FastTrack Communications Inc.
FaxLogic, LLC
FaxSIPit Services, Inc. 
Federated Telephone Cooperative
FiberComm, LC
Fidelity Communications
Fireline Communications, LLC
First Communications, LLC
First Step Internet, LLC
First Tele Communications, Inc.
FirstDigital Telecom LLC
FirstLight Fiber Inc.
Fishers Island Telephone Company
Five Area Telephone Cooperative
Five9, Inc. 
Flagman Telecom, Inc
Flexo Telecom LLC
FlowVOIP LLC.
FluentStream Technologies, LLC
FLynode Wireless, LLC
Flyp Marketing LLC
FMG Suite, LLC
Fonative, Inc.
Foothills Rural Telephone Coop. Corp., Inc.
Forefront Solutions, Inc.
Foremost Telecommunications Corporation
Fort Jennings Telephone Company
Fort Mojave Telecommunications, Inc.
FracTEL, LLC
France Telecom Corporate Solutions L.L.C. 
France Telecom Long Distance USA, LLC dba Orange Carriers USA
Franklin Telephone Co., Inc.
Freepbxhost.com LLC
Freevoice
Freshphone, Inc.
Frontier Communications
FS Comm LLC
Full Service Network LP
Fullnet Advanced Communications Inc
Fulton Telephone Company
FUSE TELECOM LLC
Fusion Cloud Services, LLC
Fusion Networks
Future Technologies Group
G&C Technical Services, LLC dba VOIP O.C.
G12 Communications LLC
Ganado Telephone Company Inc.
Garden Valley Telephone Company
Gardonville Cooperative Telephone Association
GCI Communication Corp.
GCR Telecommunications, Inc.
Gearheart Communications Company, INC. dba Coalfields Telephone Company
GENESEO TELEPHONE COMPANY
Genesys Cloud Services, Inc
Genusys Inc.
Georgialina Networks, LLC.
GeoStar, LLC
Germantown Telephone
Gervais Telephone Company
Giant Communications, Inc.
Gila River Telecommunications, Inc
GIP Technology
Glandorf Telephone Company
Glasford Telephone Compnay
Glenwood Telecommunications
Global Data Systems, Inc
Global Data Technologies Inc.
Global Net Holdings Inc
Global Telecom Exchange LLC
Global Telivoz Limited
Global VoIP LLC
Globalstar 
Globilinks  Cloud Services LLC
Go2Uno LLC
GoDaddy.com LLC
Gold Star Communications, LLC
Golden Belt Telephone Association Inc.
Golden West Telecommunications Cooperative, Inc.
Gonthier, Inc.
Google Voice Inc.
Gorham Telephone Company
GoTo Communications, Inc.
Gracetel, Inc.
GradCon Intl LLC dba Gradient Solar Systems
Grafton Telephone Company
Granby Telephone Company
grand telephone co
Granite State Communications
Granite Telecommunications, LLC
Grasshopper Group, LLC
Great Lakes Communication Corp
Great Plains Communications
GreatWave Communications
Green Hills Telephone Corporation
Greenfly Networks Inc dba Clearfly Communications
Greenland Telephone, LLC
GREENWAY COMMUNICATIONS LLC
Grey Wolf Technology Solutions
Grid Communications, Inc.
Grid4 Communications
Gridley Telephone Co.
Griggs County Telephone Co
Grizzly Broadband LLC
GTDial Data Solutions, LLC
GTT Americas, LLC
Gunnison Telephone Company
GVTC
H&B Communications, Inc.
Hadlo Technologies, LLC
Halstad Telephone
Hamilton County Telephone Co-op
Hamilton Telephone Company
Hancock Telephone Co
Hardy Telecommunications
Hargray Tel. Co. Inc.
Harmon Voice Solutions
Harmony Telephone Company
Harrisonville Telephone Company
Hart Telephone Company
Hartington Telecommunications Co., Inc.
Hawaii Dialogix Telecom
Hawaiian Telcom
Hayes Business Solutions LLC
Hayneville Telephone Company, Inc.
HAZTEL INC
HD CARRIER LLC
Heart of Iowa Communications Coopeartive
HeavyLogic
HEHE Enterprises, LLC
Hemingford Telephone Co.
Henderson Telephone Coop
HFA Services LLC dba Call48
Hiatti Carrier Services LLC
Hiawatha Broadband Communications
Hiawatha Communications, Inc.
Hickory Telephone Company
Highland Telephone Cooperative
Highland Telephone Cooperative
Hill Country Telephone Coop
Hinton Telephone Co
Hiscall, Inc.
HMA Communications LLC
Home Telephone Company
Home Telephone Company
Hooper Telephone Company
Horizon Chillicothe Telephone
Horry Telephone Cooperative
HOSTGSM COM LLC
Hotwire Communications, Ltd.
Hotwire Telecom Inc
Hover Networks Inc
Hunt Telecommunications
Hunter Communications
Huntleigh Technology Group, Inc
Hypercube Networks LLC
IAMO COmmunications, Inc.
iBasis, Inc.
ICIM Corporation dba Hellospoke
ICON Technologies Inc.
IdeaTek Telcom, LLC
Identidad Advertising Development LLC
IDT America, Corp
I-Evolve, Inc.
IFN.com Inc
iGEM Communications dba Globalgig
ImOn Communications
Improcom INC
Impulse
Independence Telecom Utility
Industry Telephone Company
iNet Communications
Inet Technologies Inc dba iCallsystems
Infinititel LLC
Infinity Communications LLC
Infinity Sip
Information Technology & Telecom Solutions
InfoWest, Inc.
Infradapt
Inland Cellular
Innacloud Technologies, LLC
InNet Connection Incorporated
InPhonex Com LLC
Instacall LLC
INTEGRATED PATH COMMUNICATIONS
Integrated Technology Services
In-Telecom Consulting, LLC
Intelegrated, LLC
IntelePeer Cloud Communications LLC
Intelliconnect LLC
IntelliVoice
InteractiveTel, LLC
Interbel Telephone
InterGlobe Communications, Inc.
Intermetro Communications, Inc. (RespOrg) 
International Carrier Exchange Limited
International Telnet Inc.
INTERNET ACCESS POINT CORPORATION
Interstate Telecommunications Cooperative
intlx Solutions, LLC
Inventive Labs Corp
Invision Technologies, LLC
ioTRAN Solutions, LLC.
IP Communications, LLC
IP Consulting, Inc.
IP Link Telecom, Inc.
IP Networked Services, Inc.
IP Transfer, LLC
IPBTel, LLC
IPCom LLC
IPitomy Communications, LLC
iPlum (RespOrg) 
IPROT, Inc.
IPSBS Managed Services LLC
IPtelX LLC
IronLogix
IronSIP LLC
Ironton Telephone Co.
ISP Industries LLC
IT Vocal LLC
iTalk Global Communications, Inc.
Itel Corp. 
ITS Fiber
iTV-3 dba i3 Broadband LLC
J2 Web Services
Jackson Energy Authority
Jaintel LLC
JAM Broadband Solutions, LLC
James Valley Telecommunications
Jerry Hall Inc. dba Tin Can Talk
JH Computer Group
Jive Technology Inc. dba Current Networks
JiveTel LLC
JLink Technology Solutions, LLC
JMF Solutions Inc
JMZ Corporation
JNB Tek, llc
Johnson Telephone Company
Junction Cloud Connections, Inc.
Juxto, LLC dba Teams Plus
JVOIP LLC
Kalida Telephone Company
Kallzer Tech LLC
KanOkla Networks
KANSAS INFORMATION TECHNOLOGIES, LLC
Kaplan Telephone Company, Inc
KassNet, Inc.
Kennebec Telephone Co., Inc.
KEPS TECHNOLOGIES INC
Kerman Telephone Company
Kinetic VoIP Inc
Kingdom Telephone Company
Kloud 7 LLC
Kloud Communications, Inc. dba VTX Telecom
Kmedia Inc
KMTelecom
KNOT NETWORKS LLC
KonnectTel LLC
Kornerstone Technology, Inc.
Kosmaz Technologies LLC
ktech Network LLC
KW Corporation, inc.
La Jicarita Rural Telephone Cooperative
LaHarpe Telephone Company, Inc
Lakeland Communications LLC
LANgineers Inc
Last Mile Corp.
LATAM Telecommunications, LLC
Latino Communications Corp.
Laurel Highland Telephone Company
Leaco Rural Telephone Cooperative, Inc.
Leaf River Telephone Company
Lehigh Valley Coop Telephone Association
Lemonweir Valley Telephone Company
Lenox Municipal Utilities
Leonore Mutual Telephone Co., Inc.
LE-RU TELEPHONE COMPANY
LETS - A Law Enforcement Technologies Corporation
Lets Dial SG pte ltd
Level365 Holdings LLC
Liberty Cablevision of Puerto Rico LLC
Lightning Telecom
LightSpar, LLC
Lightspeed Voice
LigTel Communications, Inc.
Limitless Mobile, LLC
Lincoln Telephone Company Inc
Lincolnville Communications, Inc.
Linear 1 Technologies, LLC
Lingo Telecom, LLC. dba Lingo dba BullsEye
Link Business Communications, LLC
LinkGlob LLC
Linking Lines, LLC
Lismore Cooperative Telephone Company
Litcomp LLC
LiveVox, Inc.
Local Internet Service Company
Logan Telephone Cooperative, Inc. dba LTC Connect
Logical Net Corporation
Logical Telecom, LP
Login, LLC
Logix Fiber Networks
LongLines Broadband
LoopUp LLC
Loretto Telephone Company
Losh Communications, Inc
Low Latency Communications LLC
LP Telecom
LUMEN
Lumos Telephone Inc.
LUS Fiber
Lynktel
Mabel Cooperative Telephone Company
MADISON COUNTY TELEPHONE COMPANY, INC

Madison Telephone Company
Madison Telephone, LLC
MADRID INTEGRATION SERVICES
MAGAZINE TELEPHONE COMPANY
Magic Apple Technology, LLC
MAGIC TRANSPORTATION COMPANY, INC.
MagicJack
Magna5, LLC
MakingITHappen Services LLC
Managed Communications LLC
Mango Voice, LLC
Manhattan Telecommunications Corporation
Manti Telephone Co
MAQS Solutions LLC
MARGARETVILLE TELEPHONE CO., INC.
Mark Twain Rural Telephone Company
MARLIN COMPUTER CONSULTING
Marseilles Telephone Company
Masergy Communications, Inc.
MASH Telecom Inc
Matanuska Telephone Association
Maxxtel Communications,LLC
Mazteck IT LLC
MCC Network Services, LLC
McClure Telephone Company
McDonald County Telephone Company
McDonough Telephone Cooperative
McNabb Telephone Co.
MDU1, LLC
Medallion Telecom
Media Flint, Inc.
Mediacom Communications Corporation
Medicine Park Telephone Company
Medtel Communications LLC
MegaClec, Inc
Menlo, Inc.
Meratalk LLC
Mercury Access Solutions, LLC
Mercury Network Corporation
Meriplex Telecom LLC
Merryville Investments, LTD, Inc. dba ClarityTel
Mescalero Apache Telecom Inc.
Message Communications, Inc.
MessageBird B.V.
Meta-Lynk LLC
Metro Fibernet, LLC
MetroConnect LLC
MEXICO IP PHONE LLC
MGW Telephone Company Inc. 
MI COMMUNICATIONS GROUP 
Microtalk USA, Inc.
MicroTech Systems, Inc. DBA Level 4 Telcom
Mid Century Tel. Coop. Inc.
Midcontinent Communications
Mid-Hudson Cablevision Inc.
MID-PLAINS RURAL TELEPHONE
Mid-Rivers Telephone
Midstate Communications
MIDTEL - Middleburgh Telephone Co
Midwest Telecom of America INC
Miles Cooperative Telephone Association
MILLRY TELEPHONE CO., INC.
Miron Enterprises, LLC
Mix Networks, Inc.
Mixvoip S.A.
Moapa Valley Telephone Company
Mobex, Inc
MobileSphere
Mobius, LLC
Molalla Telephone
Momentum Telecom
MonCre Telephone Cooperative
Mongotel
Monitor Cooperative Telephone 
Monmouth Telephone and Telegraph
Monroe Telephone Company
Morse Communications, Inc
Mosaic Technologies
Moultrie Independent Telephone Company
Mountain Telephone
Muenster Telephone Corp. of Texas
MultiTEL LLC
MUS Fiber
Mutual Telephone Company
MVP Holdings LTD.
My Country Mobile Pte Ltd
my Leads Dialer LLC
National Communications Inc
National Processing Alliance, Inc.
Nationwide Telecom Inc.
Native American Telecom - Pine Ridge, LLC
Navitech Solutions LLC
Nebula Ventures Corp.
Nemerald, LLC
Nemont Telephone Cooperative Inc
Netcarrier Telecom Inc.
NetDiverse LLC
NETEXEM INC
NetFortris
NetGenuity Inc
NETRIO LLC
Network Enhanced Telecom LLP
Network Innovations, LLC
Network Services and Support, Inc.
New Age Consulting Service, Inc.
New Hope Telephone Cooperative
New Horizon Communications
New Knoxville Telephone
New Lisbon Telephone Company, Inc.
New Paris Telephone
New Windsor Cable TV Inc.
Newby Technologies, LLC
Newcom Inc
Newmax, LLC 
Nexo Call LLC
Next Wave Communications LLC
Nex-Tech Wireless
Nextiva, Inc.
NextPointe Inc.
Nextricify LLC.
NGN LATAM Corp dba DATORA
NHVoIP LLC
Nice inContact
Nikoo Inc
NineStar Connect
Nobelbiz, Inc.
Noctel Communications, Inc.
North Central Telephone Cooperative, Inc.
North Coast Wireless Communications LLC.
NORTH DAKOTA TELEPHONE COMPANY
Northeast Communications of Wisconsin INC
Northeast Louisiana Telephone Co, Inc.
Northeast Missouri Rural Telephone Company
Northeast Nebraska Telephone Co.
NorthEast Rural Services.INC
Northern Arkansas Telephone Company, Inc
Northern Telephone Company of Minnesota, Inc.
Northern Telephone Cooperative, Inc.
Northland Networks
Northwest Communications Cooperative
Northwest Fiber
Northwest Programming Inc.
Northwestern Indiana Telephone Company, Inc.
Norvado
NOS Communications / ANI Networks
Notifyre LLC
NovoLink Communications Inc.
nSpeak Hosted Voice LLC
NTC International, INC
NTCI Carrier Services, Inc.
Ntegrated Consulting, LLC
NthoNet Inc.
NTInet Inc
NTT Cloud Communications
Nucla Naturita Telephone 
Number Access, LLC
Number Sentry, LLC
NumberBarn LLC
Numberify, Inc.
Nunn Telephone Company
Nuso, LLC
NUVERA
Nuwave Communications, Inc.
OACYS Technology
ODN, Inc.
Office Management Systems, Inc. dba Logista
Ogden Telephone Company
OIT, LLC
Omnia Business Solutions LLC
OmniComm Networks LLC
Omnispring, LLC
On Air Telecom LLC
onCloud
One International Investment
One Ring Networks
Oneida Telephone Exchange
OneStream Networks, LLC
OnSIP (Junction Networks)
Onvoy, LLC
ooma inc
OpenSIP.com LLC
Opentact Inc
OptimERA Inc
Orange County Rural Electric Membership Corporation
Oriel Green LLC
Osnet Wireless Corp.
Otelco Mid-Missouri LLC
OTG Group Corp.
Ottoville Mutual Telephone Company
OTZ Telecommunications
Pacific Data Systems
Palmerton Telephone Co
Palmetto Rural Telephone Cooperative, Inc.
Panhandle Telecommunications Systems Inc
PanTerra Networks, Inc.
Paramount Energy Solutions, Inc.
Parrot Mobile LLC
Parwan Electronics Corp. (RespOrg) 
Pathway Telco, LLC
Pathwayz Communications, Inc
PATLive
Pattersonville Telephone Company
Paul Bunyan Communicaitons
Pavlov Media
PBX Interactive, LLC
PBXFLEX INC
PBXIO LLC
Peace Communications, LLC
Peachnet LLC
Peeringhub Inc
Peerless Network, Inc.
Peerlogic Technologies, Inc.
Pembroke Telephone Company, Inc.
Pembroke Telephone Cooperative
Penny Tone Telecom
Peoples Rural Telephone Cooperative
Peoples Telecommunications LLC
Peoples Telephone Cooperative
Perfect Network LLC
Perfectsoft.Ai
Perry-Spencer Rural Telephone Cooperative, Inc.
PHD Communications, LLC
Phillips County Telephone Co.
Phoenix Vitae Holdings, LLC
PhoenixSoft, Inc.
Phone 24x7 Corporation
Phone.com, Inc.
PhoneFusion, Inc.
Phoneic, Inc.
Pierce Telephone Company, Inc
Pigeon Telephone Company
Pine Belt Tel. Co. Inc.
Pine Cellular Phones Inc.
Pine Drive Telephone Company
Pine Telephone Company Inc.
Pineland Telephone Cooperative, Inc.
Pinger, Inc
Pinpoint Communications Inc.
Pioneer Telephone Company
Pioneer Telephone COOP
Pioneer Telephone Cooperative
Piratel LLC
Plains Cooperative Telephone Association
Plains Internet, LLC
Plainview Telephone Co
Plant Telephone Company
Planters Telephone Cooperative
Plateau
Plivo Inc
PNG Telecommunications Inc
Point Broadband Fiber Holding LLC
Polar Communications Mutual Aid Corporation
Ponderosa Telephone Company, Inc.
POPP.com, Inc dba POPP Communications
PRAIRIE GROVE TELEPHONE COMPANY
Precision Communications, Inc.
Preferred Connections Inc., NW
Premier Communications
Premier IT Networks
Press 8 LP
Prime Servers, Inc.
PrimeVOX Communications
Primo Dialler LLC
PrineTIME Internet Solutions
Private Tech Inc.
Pro OnCall Technologies, LLC
PROCESAMOS LLC
Proclaim VoIP, LLC
Procomm Online Inc
Professional Satellite Services, Inc dba HBE Internet
Progressive Networking Solutions, Inc.
Project Mutual Telephone Cooperative Association, Inc
ProStar Communications
Proximiti Communications, Inc.
Prymatica, Inc.
PS Lightwave, LLC 
PTCI (Panhandle Telephone Cooperative InC)
PTI Pacifica Inc. Dba IT&E
PUERTO RICO TELEPHONE COMPANY INC
Pulaski White Rural Telephone Cooperative
Pulsar360 Corp
Pure CallerID
PureVoIP LLC
Pvn LLC
PVT Networks Inc.
Q5 Networks
QCOL, Inc.
QCSTelecom, Inc.
Quality Voice & Data Inc.
Quantum Telecommunications, Inc.
QuestBlue Systems, Inc
Quick Fix Network LLC
Race Telecommunications, Inc.
Ragland Telephone Company
Rainbow Communications
Randolph Telephone Membership Corporations
Range Telephone Cooperative, Inc.
Rayfield Communications, Inc.
RazorLine LLC
RC Technologies
RCLEC, INC.
RCN
RDE Technologies
RDI Corporation
Rebtel Networks AB
Red Cloud LLC
Red Gap Communications, Inc.
Red River Communications
Red Telecom LLC
Redburn Infrastructure
REDIT SUPPORT INC
REDSTAR AUTO LLC
ReInvent Telecom LLC
Reliance Telephone of Grand Forks Incorporated
RenterNET. LLC
Reservation Telephone Cooperative
Resonate VoIP LLC
Responsive IP 
RevTel Communications, LLC
Rewired Telecom, Inc.
Reynolds Telephone Company
RFCnet, Inc.
RGTN USA Inc
Rhode Island Telephone, Inc.
Richland-Grant Telephone Cooperative
Ridgeville Telephone Company
Ring Street LLC
Ringaro Telecom, Inc
Ringfree Communications Inc
Ringgold Telephone Company
RingLogix LLC
Ringover inc
RINGQ LTD
RingRx LLC
RingVoz LLC
Ritter Communications
Rival5 Technologies Corporation
Rochester Telephone Company, Inc.
Rock Port Telephone Company
Ronan Telephone Company
Royell Communications, Inc.
Runestone Telephone Association
Rural Telephone Company
Rural Telephone Service Co dba Nex-Tech
Rye Telephone Company
RyTel LLC
S&T Telephone COOP. ASSN
Sacred Wind Communications
Salesforce Communications LLC
Salina Spavinaw Telephone Co. Inc
SALISH NETWORKS
Salsgiver Telecom, Inc.
San Carlos Apache Telecommunications Utility, Inc
Sand Creek Telephone Company
Sandhill Telephone Coop
Sangoma
Santa Rosa Telephone Coop
Santel Communications Cooperative, Inc.
Sapir 18
SaveVoip LLC
Savitele
SCB Global, Ltd
Scio Mutual Telephone Association 
Scott County Telephone Coop
SCR Network
Scrolltrends LLC
SECOM, Inc
Securus Technologies, LLC
Segra
Sentec Systems LLC
Sequre, LLC
Serius Network LLC
Servpac, Inc. 
Shawnee Telephone
Shenandoah Telephone Co
Shield Security, LLC
ShivaGenesis Networks, Inc.
ShoreWaves LLC
Sierra Telephone Company
Sigma Broadband Compnay Inc
SignalWire, Inc
Simple Fiber Communications LLC
SimpleVoIP LLC
simplii llc
Simply Bits, LLC
SimplyCast Interactive Marketing Ltd
SimSIP, LLC
Simwood Inc.
SinglePoint Global
Sip Crew LLC
SIP VoIP LLC
SIP.US LLC
Sipcall Telecom LLC 
SIPEngines LLC
Siplink Communications PVT LTD
Sipnex Telecom LLC
SipPhony LLC
Siptrunk Communication, LLC
SIPVOICE LLC
Sirentel
Siskiyou Telephone Company
Siyeh Communications
SK TELECO LLC
Skye Telecom LLC
SkyePBX, LLC.
SkyLine Telephone Membership Corp
Skype Communications US Corporation
Skyrunner, Inc.
Skyscape Medpresso, Inc.
Skytel Digicom, Pte Ltd
Skywave Wireless, Inc.
Smart Choice Communications
Smart City Solutions II, LLC
Smart Communications Holding Inc.
Smartbiz Telecom, LLC
Smartcom Telephone, LLC
Smartedgenet, LLC
SmartTel Inc
Smith Bagley, Inc.
Smithville Communications
Smithville Telephone Company, Inc.
smrtStudio Global, Inc.
SMS INTERNATIONAL TELECOMM LLC
Snapcom LLC
S-Net Communications Inc.
SnowCrest Telephone, Inc.
Socket Telecom LLC
Softtop Limited
Sonic
Sound Choice Communications LLC
Sound Internet Services, Inc.
SoundLine Communications
South Arkansas Telephone Company
South Central Rural Telecommunications Cooperative 
South Central Utah Telephone Association
South Dakota Network, LLC
South Plains Telephone Cooperative
Southeast Nebraska Communications, Inc.
Southeastern Indiana Rural Tel. Coop., Inc
Southern California Telephone Company
Southern Communications Services, Inc. dba Southern Linc
Southern Montana Telephone
Southern Ohio Communications Inc
Southern Telecommunications Co LLC
SouthPoint Communications, LLC
SOUTHWEST ARKANSAS TELEPHONE CO-OP.
Southwest Texas Telephone Company
Sparko Corporation
SpectrumVoIP
Speed of Light Broadband, Inc.
SpeedWise Computer Repair & Support Services, LLC
Spencer Municipal Utilities
Spring Grove Communications
Springtel, LLC
Spruce Knob Seneca Rocks Tel
Squibit, LLC
SRS Pharmacy Systems, Inc
SRT Communications Inc.
SRVC.US, LLC DBA IguanaCALL
SRVR, LLC dba VOLOCALL
St Paul Telephone Cooperative Association
St. John Telephone, Inc.
Stack8 Technologies (USA) Inc.
Standing Rock Telecommunications, Inc.
Stanton Telecom, Inc.
Star Telephone Membership Corporation
Star2Star Communications, LLC
Starlinq PBX Inc.
Stayton Cooperative Telephone Company
Steelville Telephone Exchange, LLC
Stellarc Communications
Sterling Communications, Inc
Stratus Networks
Suburban Broadband LLC dba Rise Broadband
Summit Broadband/Orlando Tel
Super-Net, Inc.
Surry Telephone
Bristol Tennessee Essential Services
MyTelepath
QEMERT Pro Technology, S.R.L
Volli Communications
SwayPC, Corp.
Swordfish Business L.L.C.
Sycamore Telephone Co.
SynCells, Inc.
Syndeo LLC dba Broadvoice
Syringa Networks
Systemverse, LLC.
Sytek
Table Top Telephone Company, Inc
Tacit Solutions LLC
Tadiran Telecom Inc.
Talk IT Pro
TalkAsiaVoip, LLC
Talkie Communications, Inc
Talkstream Labs LLC
TampaBay DSL Inc dba PBX-Change
Tata Communications (America) Inc.
TAUTO LLC
Taylor Telecom
TC Global Systems Inc
TCN Inc
TCS LLC 
TDS Telecommunications
TEC of Jackson, Inc.
Tech Strategies, Inc.
TechMAX Business Solutions
Technology Innovation Lab
TechRX LLC
Tecore Global Services, LLC
Tekify, LLC
Telcast Networks LLC
Telco Business Solutions Inc
Telco Connection
Telco Experts LLC
TelcoHoldings Inc
Telcoline LLC
Teldelnort Comminications LLC
Tele Go Inc
TELE-C COMMUNICATIONS CORPORATION
Telecall Telecommunications Corp
TeleCloud LLC
Telecom Assurance, LLC
Telecom Business Network
Telecom LLC
TELECOMEZ CORP
TeleComp Holdings, Inc.
TeleConnx Inc
TELE-DATA COMMUNICATIONS CORPORATION
Telegent
Teleguam Holding LLC dba GTA
Teleinx, LLC
Telengy LLC
TeleOneTen Inc.
Telepars Telecommunications Corp.
TELEPATH COMMUNICATIONS CORPORATION
Telephone Service Company
Telesupply, LLC
Teletask
Teletech Communications, Inc.
Teletechnology LC DBA Vinculum Communications
Televergence Solutions Inc
TeleVoIPs
Teleworks Communications,, Inc.
Teliax Inc.
TeligentIP
Telimize LLC
Telintel LTD
Telkart LLC
Telnamix LTD
TelNet Worldwide, Inc.
Telnyx LLC
Telonium Communications, LLC
TELORCA LLC
Telovoxity
Teloz Limited
Telstra Incorporated
Teltrust Corp.
Telucom LLC
Telusion, Inc
TelWare Corporation
Telxi USA, Corp.
Telxio Networks, Inc.
Telzio, Inc
Terra Nova Telecom Inc
Terral Telephone Company
Tessovo LLC
TextMe, Incorporated
TextNow, Inc.
textPlus, Inc.
Thacker-Grigsby Telephone Company inc.
The Champaign Telephone Co
The Flat Planet Phone Company Inc.
The Maynard Group, Inc.
The North-Eastern Pennsylvania Telephone Company
The Park Region Mutual Telephone
The Pioneer Telephone Association, Inc.
The Seimitsu Corporation dba TrueConnx
The Tech Consultants, LLC
The Voip Supplier LLC
TheIPGuys.Net, LLC dba OneNet Global
Thenvisage LLC
TheSchmied LLC
Think Simplicity, Inc.
thinkCSC, Inc.
Third Base International Telecom LLC
Third Hatch Inc
Three Lanterns, LLC
Three River Telco
Threshold Communications, Inc.
TI Sparkle North America, Inc.
Tierzero
Tim Ron Enterprises, LLC
TimbukTech, Inc.
Time2Market Cloud Services, LLC
TISD.net
T-Mobile US
TNS-TransLine, LLC
TOHONO OODHAM UTILITY AUTHORITY
Toly Digital Networks, Inc.
Tonica Telephone Company
Total Bridge INC
Total.Care Holdings, LLC
TotalBC, Inc.
Totelcom Communication, LLC
TouchTone Communications Inc.
Tovtel
Town of Pineville 
Townes Telecommunications
TPG IT LLC
TRACI.net, Inc.
Transtelco
Trenton Telephone Company
Triangle Telephone Cooperative Association, Inc. 
Tri-County Communications Cooperative
TRI-COUNTY COMMUNICATIONS INC
Tri-County Telephone Association Inc
TRIDACOM IT SOLUTIONS INC
Trifecta Solutions Inc
Trinicom Communications, LLC
TrioTel Communications Inc
True IP Solutions, LLC
Trumansburg Telephone Company
TRUNETEX LLC
Trunking.io LLC
Truvista
TRZ Communications Services, Inc.
Tularosa Basin Telephone Company
Turnkey VoIP LLC
Twilio International, Inc.
Twin Lakes Telephone Cooperative
Twin Valley
TWIN VALLEY TELEPHONE, INC
TXM Telecom Solutions LLC
Tychron Corporation
U Communications, LLC
U.S. Cellular
U.S. Internet Corp.
U.S. MetroTel LLC
U.S. South Communications, Inc
U.S. TelePacific Corp.
UBIK
UBTA-UBET Communications, Inc. d/b/a STRATA Networks
UComTel Inc
UHK Networks LLC
ULTATEL, LLC
Ultimate Internet Access, Inc.
Unified Global Solutions
Unified Office, Inc.
Unified Telecom Inc
Unified Voice Communication LLC
Union Telephone Company
Union Telephone Company
United Communications Inc
United Data Technologies Inc.
United States Telecommunications Corporation
United Technology Group
United Telephone Mutual Aid Corporation
United Wireless Communications
UNITED WORLD TELECOM L.C.
United2, LLC
UniTel Voice
Universal Connectivity
UniVoIP
UniVoxx, LLC
Upper Peninsula Telephone Company
URI Telecom Inc
US IP Communications
USA Digital Communications, Inc.
UsVox
U-TEL USA LLC
Utility Telecom Group, LLC
UVNV
Uvoice USA, LLC
Vail Systems, Inc.
VAIX, Inc.
Valley Connections, L.L.C
Valley Telco Coop
Valley Telephone Cooperative, Inc
ValTech Enterprises
ValuTel Communications
Vantage Communications (USA LLC)
Varietel Communications LLC dba IT Unite
Vaspian LLC
Vaughnsville Communications
VaultCom Networks Incorporated
VAULTTEL SOLUTIONS INC
VC3, Inc.
VDL Inc, dba Global Telecom Brokers
Vector Data Systems LLC
Velocity Network, Inc.
Velvetech LLC
Venture Communications Cooperative
VerCom systems, Incorporated
Verdigrid, LLC d/b/a Cove Central Communications
Verge Network Solutions, LLC
VERGETEL NETWORKS
Verification Technologies, LLC
Verizon Communications Inc.
Vermont Telephone Co
Vernon Communications Cooperative
Versatel LLC
Verve Cloud, Inc.
Vested Networks LLC
VEXUS FIBER, LLC
Viaero Wireless
ViaTalk LLC
Vibratel, LLC
Victory Telecom, Inc.
Vida Global Inc
Viirtue INC
Vip2phone INC
Vision CTS LLC
Vision, Voice and Data Systems, LLC
Vital Technology Solutions
Vitel Global Communications, LLC
Vivitize LLC (DBA CueTel)
Vocal IP Networx Ltd
Voice Logic, LLC.
Voice SY LLC
VOICE1 LLC
VoiceCo Networks, Inc.
Voicelift, Inc.
VOICELOGIX LLC
VoicePRO Communications Inc.
VoiceTerm, Inc.
Voigo Communications LLC
Voip Dialing, Inc.
Voip Ease, LLC dba CallSprout
VOIP Essential LLC
VoIP Extension, Inc.
VoIP Innovations
VoIP International
VOIP OFFICE.COM LLC
VoIPCo
Voipcom
VoIPConsultants.biz LLC
Voipedia LLC
Voipia Networks, Inc
Voiply, LLC
voipography
VOIPPLUS LLC
Voipwell, LLC
VoIPX International, Inc
Voitex LLC
Volcano Telephone Company
Volf Communications LLC
Vonage
Vonayo, LLC
Vonexta Inc
Votacall, Inc.
Vox Inc
Voxbeam Telecommunications Inc.
VOXLINK
Voxology Carrier Services, Inc.
VoxStrom LLC
VOXTELL, LLC
VOXTiX
VoyageNetworks
VOYANT COMMUNICATIONS LLC
VTech Support, Inc.
Vumber LLC
Wabash Mutual Telephone
Wabash Telephone Cooperative, Inc.
Waddell Solutions Group LLC
Waitsfield and Champlain Valley Telecom
WALDRON TELEPHONE COMPANY
Wamego Telephone Co, Inc.
WAN Communications, Inc
Warrior Hill LLC
Wavecall LLC
Weave Communications, Inc.
Web Fire Communications, Inc
Web Ventures LLC
WebFones LLC
WebNet Memphis, Inc. dba WorldSpice Technologies
West Carolina Rural Tel Coop
West Central Telephone Association
West Kentucky Rural Telephone Cooperative Corporation,Inc
WEST LIBERTY TEL. CO.
WEST RIVER COOPERATIVE TELEPHONE COMPANY, INC.
West River Telecom
West Side Telecommunications
West Texas Rural Telephone, Inc.
West Wisconsin Telcom Cooperative, Inc
Westelcom Network
Western New Mexico Telephone Co
Wes-Tex Telecommunications
WestPAnet, Inc.
Wheat State Technologies
Whidbey Telephone Company
Whisl Telecom LLC
White Label Communications
WhiteSky Communications LLC
WIKSTROM TELEPHONE CO INC
Wilderness Valley Telephone Company, Inc
Wildix Inc.
Wilkes Communications
Wilkes Telephone & Electric Company
Windstream
Windy City Cellular LLC
Winn Telecom
Winnebago Cooperative Telecom Association
Wiretap Telecom
Wittenberg Telephone Company
Wood County Telephone Company dba/Solarus
Woodhull Telephone Co.
WorldCell Solutions, LLC
WorldNet Telecommunications Inc.
WOW! Internet, Cable, and Phone
WTC Communications
wwscomm llc
WWT INC dba VoIP Networks
Wyant, Inc.
XBLUE Networks, LLC
Xchange Telecom LLC
XEN Telecom LLC.
XMission Networks
Xobee Networks, LLC
XOLO IP LLC
Xtel Communications Inc 
Yadkin Valley Tel. Membership Corp
Yardi Kube, Inc.
Yelcot
Yoji Inc.
Youmail, Inc.
Ytel Inc.
Yucca Telecommunications Systems, Inc. dba Yucca Communications - NM               
Zach Rodgers, LLC dba Revolt Voice
Zella Technologies LLC
Zen Communications, Inc.
ZipDX LLC
Zito Media Voice, LLC
Zonatel LLC
Zoom Networks, LLC
Zoom Online Group LLC
Zoom Voice Communications
Zray Technologies Corporation
Zultys, Inc.